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New telechelic polymers and sequential copolymers by polyfunctional initiator-transfer agents (inifers) V. synthesis of α-tert-butyl-ω-isopropenylpolyisobutylene and α, ω-di(isopropenyl)polyisobutylene

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Summary

Polyisobutylenes carrying one or two terminal isopropenyl unsaturations have been obtained by complete dehydrochlorination of α-tert. -butyl-ω-tert. chloropolyisobutylene and α, ω-di(tert.-chloro) polyisobutylene, respectively. By the use of t-BuOK in refluxing THF only 1-olefin formed leading to a new macromer and a symmetrical telechelic diolefin. According to H1 NMR spectroscopy the structure of this new telechelic polymer is:

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Author notes

  1. Robert Alan Smith

    Present address: The Goodyear Tire and Rubber Co., 44316, Akron, Ohio, USA

  2. Béla Iván (Visiting Scientist)

    Present address: Central Research Institute for Chemistry of the Hungarian Academy of Sciences, POB 17, H-1525, Budapest, Hungary

Authors and Affiliations

  1. Institute of Polymer Science, University of Akron, 44325, Akron, Ohio, USA

    Joseph P. Kennedy, Victor S. C. Chang, Robert Alan Smith & Béla Iván (Visiting Scientist)

Authors
  1. Joseph P. Kennedy
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  2. Victor S. C. Chang
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  3. Robert Alan Smith
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  4. Béla Iván
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Kennedy, J.P., Chang, V.S.C., Smith, R.A. et al. New telechelic polymers and sequential copolymers by polyfunctional initiator-transfer agents (inifers) V. synthesis of α-tert-butyl-ω-isopropenylpolyisobutylene and α, ω-di(isopropenyl)polyisobutylene. Polymer Bulletin 1, 575–580 (1979). https://doi.org/10.1007/BF00254487

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  • DOI: https://doi.org/10.1007/BF00254487

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